F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
257/26
F28F 19/06 (2006.01)
Patent
CA 1083562
ABSTRACT OF THE DISCLOSURE The present invention relates to the field of heat exchangers, particularly those employed with fluids containing an abrasive. If an ordinary heat exchange is employed with fluids containing abrasives, the abrasives will cause excessive wear, particularly at the inlet to the heat exchanger. Certain abrasives can substantially damage the heat exchanger and significantly shorten its useful life. For most heat exchangers it is impractical, or impossible, to repair the damage caused by the abrasive. Moreover, for many abrasives it is impossible to fabricate a heat exchanger which will not wear, particularly where hot fluids are employed. According to the present invention, replaceable inlet means for a fluid heat exchanger are provided. A bulkhead is employed on the inlet side of the heat exchanger to support a plurality of replaceable tubes. The wear caused by the abrasive is confined to the replaceable tubes. After a predetermined period of use, the worn tubes are easily removed and new tubes are inserted in their place.
302495
Aydelott Max M.
Hartman Richard L.
York James A.
Gowling Lafleur Henderson Llp
Smith Engineering Company
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